Originally Posted by phughes

After having worked at a glass shop when I was in school, there is no way I will ever use any rack that touches the back glass in any way. No matter how many racks are out there that utilizes the back glass, it is an extremely poor idea. While you can have great luck with one, it doesn't take much for that luck to disappear and the glass to be broken. Sorry, as much as I would love to fault Tesla for this, it isn't their fault, the back glass isn't designed for that use.